EP 2796822 A4 20151125 - AIR CONDITIONER
Title (en)
AIR CONDITIONER
Title (de)
KLIMAANLAGE
Title (fr)
CLIMATISEUR
Publication
Application
Priority
- JP 2011276718 A 20111219
- JP 2012003854 W 20120613
Abstract (en)
[origin: EP2796822A1] An air-conditioning apparatus includes an outdoor unit equipped with an outdoor-side heat exchanger 3 formed by inserting a plurality of heat transfer pipes 23 made of a metal material, such as aluminum or an aluminum alloy, into a plurality of fins 12, and an indoor unit equipped with an indoor-side heat exchanger 2 formed by inserting a plurality of heat transfer pipes 21 made of a metal material, such as aluminum or an aluminum alloy, into a plurality of fins 11. The heat transfer pipes 23 in the outdoor-side heat exchanger 3 are each internally provided with a plurality of straight grooves 24 substantially parallel to the pipe axial direction. The heat transfer pipes 21 in the indoor-side heat exchanger 2 are each internally provided with a plurality of spiral grooves 22 having a predetermined lead angle.
IPC 8 full level
F28F 1/40 (2006.01); F24F 1/0063 (2019.01); F24F 1/18 (2011.01); F25B 1/00 (2006.01); F28D 1/047 (2006.01); F28F 1/42 (2006.01); F28F 21/08 (2006.01)
CPC (source: EP US)
F24F 1/0063 (2019.01 - EP US); F24F 1/18 (2013.01 - EP US); F25B 1/00 (2013.01 - US); F28D 1/0477 (2013.01 - EP US); F28F 1/00 (2013.01 - US); F28F 1/42 (2013.01 - EP US); F28F 21/084 (2013.01 - EP US); F25B 13/00 (2013.01 - EP US); F25B 39/00 (2013.01 - EP US)
Citation (search report)
- [Y] EP 2213953 A1 20100804 - MITSUBISHI ELECTRIC CORP [JP]
- [YD] JP 2001289585 A 20011019 - MITSUBISHI ALUMINIUM
- [Y] EP 2278252 A1 20110126 - MITSUBISHI ELECTRIC CORP [JP]
- [A] EP 2317269 A1 20110504 - MITSUBISHI ELECTRIC CORP [JP]
- [A] JP H11264630 A 19990928 - HITACHI LTD
- See references of WO 2013094084A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2796822 A1 20141029; EP 2796822 A4 20151125; EP 2796822 B1 20170329; CN 104040281 A 20140910; CN 104040281 B 20160525; ES 2624188 T3 20170713; JP 6053693 B2 20161227; JP WO2013094084 A1 20150427; US 2014318756 A1 20141030; US 9506700 B2 20161129; WO 2013094084 A1 20130627
DOCDB simple family (application)
EP 12860552 A 20120613; CN 201280062765 A 20120613; ES 12860552 T 20120613; JP 2012003854 W 20120613; JP 2013550053 A 20120613; US 201214361509 A 20120613